export function formatTime(date: Date) {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()

  return (
    `${[year, month, day].map(formatNumber).join('/')
    } ${
      [hour, minute, second].map(formatNumber).join(':')}`
  )
}

function formatNumber(n: number) {
  const s = n.toString()
  return s[1] ? s : `0${s}`
}
